Add the insp::aligned_storage template

3 files changed, 53 insertions, 0 deletions

diff --git a/include/aligned_storage.h b/include/aligned_storage.h
new file mode 100644
index 000000000..7bf0fe0a3
--- /dev/null
+++ b/include/aligned_storage.h
@@ -0,0 +1,50 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com>
+ *
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#pragma once
+
+namespace insp
+{
+	template <typename T> class aligned_storage;
+}
+
+template <typename T>
+class insp::aligned_storage
+{
+	mutable typename TR1NS::aligned_storage<sizeof(T), TR1NS::alignment_of<T>::value>::type data;
+
+ public:
+	aligned_storage()
+	{
+	}
+
+	aligned_storage(const aligned_storage& other)
+	{
+	}
+
+	T* operator->() const
+	{
+		return static_cast<T*>(static_cast<void*>(&data));
+	}
+
+	operator T*() const
+	{
+		return operator->();
+	}
+};
diff --git a/include/compat.h b/include/compat.h
index 9302c573f..e7719bcd7 100644
--- a/include/compat.h
+++ b/include/compat.h
@@ -28,9 +28,11 @@
 #if defined _LIBCPP_VERSION || defined _WIN32
 # define TR1NS std
 # include <unordered_map>
+# include <type_traits>
 #else
 # define TR1NS std::tr1
 # include <tr1/unordered_map>
+# include <tr1/type_traits>
 #endif
 
 /**
diff --git a/include/inspircd.h b/include/inspircd.h
index bebe1dea0..eaca34a9b 100644
--- a/include/inspircd.h
+++ b/include/inspircd.h
@@ -45,6 +45,7 @@
 
 #include "intrusive_list.h"
 #include "compat.h"
+#include "aligned_storage.h"
 #include "typedefs.h"
 #include "stdalgo.h"